Home / 8,512.80-12,767.08-3,582.48

Finding the Fourth Proportional to 8,512.80, 12,767.08 and 3,582.48

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Solution

The fourth proportional to 8,512.80, 12,767.08 and 3,582.48 is: 5,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.80 : 12,767.08 = 3,582.48 : x
  2. Step 2: Convert to fraction form
    8,512.80/12,767.08 = 3,582.48/x
  3. Step 3: Cross multiply
    8,512.80x = 12,767.08 × 3,582.48
  4. Step 4: Simplify right side
    8,512.80x = 45,737,808.76
  5. Step 5: Solve for x
    x = 45,737,808.76/8,512.80
  6. Step 6: Final answer
    x = 5,372.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.